The fastest a human has ever run is 27 miles per hour. How many miles per minute did the human run

Answers

Answer 1
Answer:
(27 mi/hr) x (1 hr / 60 min)  =  (27/60) (mi/min)  =  0.45 mile/minute

Using the same kind of calculation, we can see
that the world record times for other distances
correspond to:

200 meters                  23.31 mph
400 meters                   20.72 mph
800 meters                   17.73 mph
1000 meters                 16.95 mph
1500 meters                 16.29 mph
1 mile (1,609 meters)    16.13 mph
2,000 meters                 15.71 mph
10,000 meters               14.18 mph
30,000 meters               12.89 mph
Marathon  (42,195 meters)    13.10 mph

Except for that one figure at the end, for the marathon,
which I can't explain yet and I'll need to investigate further,
it's pretty obvious that a human being, whether running for
his life or for a gold medal, can't keep up the pace indefinitely.

Answer 2
Answer: 27 miles per 1 hour
27 miles per 60 minutes
per 1 minute = 27/60 = 9/20 mile

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In how many ways can 9 cells of a6×6 grid be painted black such that no two black cells share a corner or an edge with each other?

Answers

I'm not sure, so I won't answer it, in case you get it wrong

Which equation involves a prime quadratic and cannot be solved by factoring? A. x2 + 5x − 4 = 0 B. x2 − x − 6 = 0 C. x2 + 3x − 4 = 0 D. x2 + 6x + 9 = 0 Reset

Answers

Answer:

Option A

Step-by-step explanation:

We can try to factorize all the options one by one.

For A:

x^(2) +5x-4\n=> x^(2)+4x+x-4\n=>x(x+4)+1(x-4)

We can see that the quadratic expression cannot be solved by factorization as the factors at the end of factorization are not equal in both brackets. So Option A is the correct answer for the given question.

Moreover we can also note that all the other quadratic expressions can be factorized ..

Answer:

x2 + 5x − 4 = 0

Step-by-step explanation:

What number is greater than 714587

Answers

A number greater than 714587 is 714588 and any number above that.
well there are many numbers greater than 714587 so the numbers that are greater than 714587 is 714588 to infinity

If total Revenue is $3000, Cost of Goods is $1500, and total Selling Expense is $500; what is the Profit for the business?*

Answers

Answer:

 If total Revenue is $3000, Cost of Goods is $1500, and total Selling Expense is $500Question: what is the Profit for the business=> The total revenue is 3 000 dollarsThe expenses:=> 1 500 dollars for gold's costs=> 500 dollars for selling expenses.Now, let's add the expenses and subtract it to the total earnings=> 1 500 dollars + 500 dollars = 2 000 dollarsNow, let's subtract:=> 3 000 dollars - 2 000 dollars = 1 000 dollars. Thus, his profit is 1 000 dollars

Answer: 1000

Step-by-step explanation: If you have 3000 take away 1500 you have 1500 then, subtract 500 you then have 1000. 1000 would be the final correct answer.

louis wants to carpet the rectangular floor of his basement. The basement has an area of 864 square feet. The width of the basement is 2/3 its length. What is the length of Louis' s basement?

Answers

x-\ length\n\n(2)/(3)x-\ width\n\nArea=\ length*width\n\n864=x*(2)/(3)x\n\n864=(2)/(3)x^2\ \ \ | divide\ by\ (2)/(3)\n\n864*(3)/(2)=x^2\n\n432*3=x^2\n\n1296=x^2\ \ \ | \sqrt{}\n\nx=36ft\n\nLength\ is \ equal\ to\ 36ft.

By definition, the area of a rectangle is given by:

Where,

w: width of the rectangle

l: length of the rectangle

Substituting values in the given equation we have:

From here, we clear the value of l.

We have then:

Answer:

the length of Louis' s basement is:

l = 36 feet

To build the roof for a paper house, a rectangular paper

Answers

Answer:A i think

Step-by-step explanation:the lines

Answer: B

Step-by-step explanation: Got it right on edge